and cyber is now at a point where the technology is there to cripple a country, to take down our power grid system, to take down our government system, take down our financial systems, and literally parrize the country. >> secretary panetta says any future attack by any enemy will definitely, he says, include a cyber attack. >>> two men who will have to worry about all of this face two moments up on capitol hill. a senate committee may vote to confirm chuck hagel as the next defense secretary. a different committee hold as hearing for the man picked to run the cia. john brennan. for more of these controversial nominees, let's bring in our chief congressional correspondent, dana bash, and gloria borger. dana, what are your sources telling you about chuck hagel's confirmation? >> reporter: well, you know, there are supposed to be at least the chairman, carl levin wants a vote in the senate armed services committee tomorrow but it might not happen. one may reason is that many republicans on the committee don't want it to. we're told that they are circulating a letter urging senator levin